Kennedy is the president and co-founder of Marwood Group and Co., a health care–focused financial services firm headquartered in New York with offices in Washington, D.C., London, and Kuwait. According to its Web site, the firm provides services to institutional investors, health care corporations, and trade associations. His wife, Katherine Gershman Kennedy, M.D., an APA member, is a psychiatrist in New Haven, Conn., and is on the voluntary faculty at Yale University School of Medicine.